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Monthly climate in Salem, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Salem features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (34 °F) and 26 °C (79 °F) through the year, but rarely can drop to -22 °C (-8 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1207 mm (47.5 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually.Salem enjoys an average of 2972 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Salem, Missouri, United States §

The warmest months in Salem are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 40 °F) throughout the day. On average each year, Salem experiences 116 days above 25 °C (77.0 °F) and 76 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Salem, Missouri, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 20°C
(68°F)		 26°C
(79°F)		 29°C
(84°F)		 31°C
(88°F)		 33°C
(91°F)		 36°C
(97°F)		 37°C
(99°F)		 35°C
(96°F)		 34°C
(94°F)		 33°C
(91°F)		 27°C
(81°F)		 25°C
(78°F)
Mean maximum 17°C
(63°F)		 22°C
(72°F)		 25°C
(78°F)		 28°C
(82°F)		 30°C
(87°F)		 33°C
(91°F)		 36°C
(96°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(88°F)		 23°C
(74°F)		 21°C
(70°F)
Average high 5°C
(42°F)		 8°C
(47°F)		 14°C
(58°F)		 18°C
(65°F)		 23°C
(74°F)		 29°C
(84°F)		 31°C
(88°F)		 29°C
(85°F)		 28°C
(82°F)		 20°C
(69°F)		 13°C
(55°F)		 10°C
(50°F)
Daily mean 1°C
(34°F)		 3°C
(37°F)		 9°C
(48°F)		 12°C
(55°F)		 18°C
(66°F)		 24°C
(75°F)		 26°C
(79°F)		 24°C
(76°F)		 22°C
(72°F)		 15°C
(58°F)		 7°C
(45°F)		 4°C
(40°F)
Average low -3°C
(27°F)		 -2°C
(28°F)		 4°C
(39°F)		 7°C
(45°F)		 14°C
(57°F)		 19°C
(66°F)		 21°C
(70°F)		 19°C
(67°F)		 16°C
(62°F)		 9°C
(49°F)		 2°C
(36°F)		 -0°C
(32°F)
Mean minimum -14°C
(7°F)		 -14°C
(6°F)		 -8°C
(19°F)		 -2°C
(29°F)		 6°C
(43°F)		 14°C
(57°F)		 17°C
(62°F)		 14°C
(58°F)		 9°C
(48°F)		 -1°C
(30°F)		 -7°C
(19°F)		 -10°C
(14°F)
Minimum -19°C
(-2°F)		 -22°C
(-8°F)		 -16°C
(3°F)		 -5°C
(23°F)		 3°C
(37°F)		 11°C
(52°F)		 14°C
(58°F)		 13°C
(56°F)		 7°C
(45°F)		 -4°C
(24°F)		 -13°C
(9°F)		 -15°C
(6°F)

Compare climate in Salem with other places

Compare temperature, precipitation, sunshine, UV index in Salem, Missouri, United States with other places around the world.

Monthly average precipitation in Salem, Missouri, United States §

Salem usually has the most precipitation in March, April and May, with an average of 13 rainy days and 155 mm (6.1 inches) of precipitation per month.The driest months in Salem are September, November and December. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Salem, Missouri, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 75 (3.0) 96 (3.8) 136 (5.3) 152 (6.0) 178 (7.0) 84 (3.3) 84 (3.3) 101 (4.0) 59 (2.3) 112 (4.4) 69 (2.7) 60 (2.4)
Average precipitation days (≥ 1 mm) 8 9 12 13 14 10 11 12 6 11 8 7

Monthly sunshine hours in Salem, Missouri, United States §

The sunniest months in Salem are June, July and August, when the sun shines an average of 10 hours 48 minutes a day.Least sunny months in Salem: January, February and December receive an average of 5 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Salem, Missouri, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 133 176 210 236 278 325 346 321 289 237 217 197
Mean daily daylight hours 9h 53m 10h 48m 11h 59m 13h 11m 14h 12m 14h 42m 14h 26m 13h 31m 12h 22m 11h 10m 10h 7m 9h 35m

Solar UV radiation in Salem, Missouri, United States §

Salem experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Salem UV Index data.

Average daily maximum UV levels by month for Salem, Missouri, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 6 7 10 10 11 11 10 9 7 5 3